A comparison of BGO and BSO crystals used in the dual-readout mode

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• 作者：N. Akchurin^a ; F. Bedeschi^b ; A. Cardini^c ; M. Cascella^d ; G. Ciapetti^e ; D. De Pedis^f ; M. Fasoli^g ; R. Ferrari^h ; S. Franchinoⁱ ; M. Fraternaliⁱ ; G. Gaudio^h ; J. Hauptman^j ; M. Incagli^b ; F. Lacava^e ; L. La Rotonda^k ; S. Lee^j ; M. Livanⁱ ; E. Meoni^l ; A. Negriⁱ ; D. Pinci^f ; A. Policicchio^k ; ¹ ; F. Scuri^b ; A. Sill^a ; G. Susinno^k ; T. Venturelli^k ; C. Voena^f ; R. Wigmans^a ; ^{wigmans@ttu.edu"" rel=""nofollow}
• 关键词：Calorimetry ; Cherenkov light ; High-Z scintillating crystals
• 刊名：Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
• 出版年：2011
• 出版时间：1 June 2011
• 年：2011
• 卷：640
• 期：1
• 页码：91-98
• 全文大小：963 K

文摘

We report on a systematic study of the properties of two high-Z scintillating crystals, bismuth germanate (BGO) and bismuth silicate (BSO), in view of the possible application of such crystals in dual-readout calorimeters. Whereas the light attenuation characteristics of both crystals are about the same, BSO offers a considerably higher Cherenkov light yield, and with a given UV filter the separation between the Cherenkov and scintillation signals is substantially better in this crystal.